start veil_switch.pyc topo/4.adlist topo/4.vid localhost:5001 0
start veil_switch.pyc topo/4.adlist topo/4.vid localhost:5002 10
start veil_switch.pyc topo/4.adlist topo/4.vid localhost:5003 0
start veil_switch.pyc topo/4.adlist topo/4.vid localhost:5004 0
